Adjustable fly for trousers



FIG. 1 is a perspective view of an adjustable fly for trousers showingmy new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

The ornamental design for an adjustable fly for trousers, as shown anddescribed.